Question

. Among 10 laptop computers, five are good and five have defects. Unaware of this, a customer buys 6 laptops.
(a) What is the probability of exactly 2 defective laptops among them?
(b) Given that at least 2 purchased laptops are defective, what is the
probability that exactly 2 are defective?

Answer 1

Step-by-step explanation:

1. probability of 2defective laptop
2. number of outcome
3. total number of favourable
4. 2/10 is the probability of the 2defective laptop